InChI=1/C18H18N2O3S/c21-17(19-23)12-16-18(22)20(11-10-13-6-2-1-3-7-13)14-8-4-5-9-15(14)24-16/h1-9,16,23H,10-12H2,(H,19,21)/t16-/m1/s1/f/h19H 1494AA8268D9F9AB